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5
Does not the picture of the Y/C video signal input to INPUT3 go out?
MINI AV_UNIT:
Is Y/S signal input into pin (13), (11) of connector P901 from pin
(3)/Y, (4)/C of J902?
TERMINAL UNIT:
YES
Is Y/C signal input into pin (5), (7) of IC506 (VIDEO SELECTOR)
from pin (13)/Y, (11)/C of connector P501?
YES
Is the Y/C video signal detection function S3_PLUG signal from
pin (6) of the input terminal J902 normal?
YES
Is the S3_PLUG signal input to pin (42) of IC506?
YES
Is Y/C signal output into pin (2), (4) of connector SC501 from pin
(52)/Y, (50)/C of IC506?
MAIN UNIT:
YES
Is Y/C signal input to pin (2), (4) of connector SC1101?
YES
Is Y/C signal input to pin (Y4), (V9) of IC3301
(VIDEO_PROCESSOR)?
YES
Refer to "The picture doesn't appear in all modes."
5
6
<When INPUT3 is used for external input> No picture on the display (8)
KRL-46V
6
7
NO
Check the line between J901 and P901.
NO
Check the line between P501 and IC506.
(Connector P901/P501, etc.)
NO
Check J902 or peripheral circuits.
NO
Check the between S3_PLUG_LINE J902 and pin (42) of TER-
MINAL UNIT's IC506. (connector P901/P501, etc.)
NO
Check the line between IC506 and SC501.
NO
Check the connector (SC501/SC1101)
NO
Check the line between SC1101 and IC3301.
7
8
A
B
C
D
E
F
49
8
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